Applicable Environment
By default, the system selects LSPs for a VPN and no load balancing is performed. If load
balancing or other types of tunnels are required, you need to configure a tunnel policy and apply
the tunnel policy.
In L3VPN, a tunnel policy is applied for VPN instances. In L2VPN, a tunnel policy is applied
for VCs.
The policy includes tunnel selection and the number of tunnels for load balancing.
Pre-configuration Tasks
Before configuring a tunnel policy, complete the following tasks:
l Connecting the interfaces, and configuring physical parameters for the interfaces to ensure
that the physical status of the interfaces is Up
l Configuring parameters of the link layer protocol and IP addresses for the interfaces to
ensure that the status of the link layer protocol on the interfaces is Up
l Creating the tunnel (LSP or MPLS TE) for the VPN instance
l Configuring the VPN instance on the PE (refer to the chapter "Configuring a VPN
Instance" in this manual)
Data Preparation
To configure the tunnel policy, you need the following data.
No.
Data
1 Name of the tunnel policy
2 Priority of the tunnels
3 Number of tunnels for load balancing
4 Name of the VPN instance configured with a tunnel policy
1.4.2 Configuring a Tunnel Policy
For a select-sequence tunnel policy, you can specify the sequence in selecting tunnels and the
number of tunnels carrying out load balancing.
Context
Do as follows on a PE configured with a VPN instance.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Quidway S7700 Smart Routing Switch
Configuration Guide - VPN 1 VPN Tunnel Management Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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